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高凝膠性大豆球蛋白制備工藝優(yōu)化
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黑龍江省自然科學(xué)基金重點資助項目(ZD200902)和教育部大豆生物學(xué)省部共建教育部重點實驗室開放基金資助項目(SB08C03)


Preparation Technology of Glycinin with High Gel Strength
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    摘要:

    以脫脂豆粕為材料,分離純化后得到大豆球蛋白(11S)。通過添加葡萄糖進行糖基化改性,單因素試驗初步得到改性的工藝條件,并在此基礎(chǔ)上采用Box-Behnken模型對工藝條件進行優(yōu)化,測定并分析了改性產(chǎn)物在各個條件下的凝膠強度。結(jié)果表明,最佳工藝條件為:反應(yīng)溫度78.61℃、反應(yīng)時間60.36min和葡萄糖質(zhì)量分數(shù)2.84%,凝膠強度達到271.37 g。根據(jù)實際情況,將反應(yīng)溫度設(shè)定為80℃,反應(yīng)時間設(shè)定為60 min,葡萄糖質(zhì)量分數(shù)確定為3.0%,在此條件下進行驗證試驗,凝膠強度為270.52 g,是未改性大豆球蛋白的3.07倍。試驗證明優(yōu)化工藝能有效且顯著提高大豆球蛋白的凝膠強度。

    Abstract:

    Aimed at increasing the gel strength of product, the experiment employed defatted soybean meal as raw material, and obtained soybean glycinin through separation and purification (11S). Glycosylation modification was realized by adding glucose. The operation conditions for modification were established by single factor experiment. On the basis, Box-Behnken model was used to optimize technological conditions, test and analyze the gel strength of modified products under various conditions.The results illustrated the optimum reaction conditions as follows, reaction temperature was 78.61℃, reaction time was 60.36 min, the augmenter of glucose was 2.84%, and the gel strength could achieve 271.37 g. According to actual situation, reaction temperature was set to 80℃, reaction time was set to 60 min, and the augmenter of glucose was set to 3.0%.Under these conditions, the proof test’s result was 270.52 g which was 3.07 times of the unmodified glycinin. The experiment proved that the modification technology can effectively and significantly increase gel strength of glycinin. 

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遲玉杰,范淼.高凝膠性大豆球蛋白制備工藝優(yōu)化[J].農(nóng)業(yè)機械學(xué)報,2012,43(10):124-130. Chi Yujie, Fan Miao. Preparation Technology of Glycinin with High Gel Strength[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(10):124-130.

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  • 在線發(fā)布日期: 2012-10-19
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